Officials from CS Wind remain tightlipped about it's factory in Windsor.
The wind turbine manufacturer located on Anchor Dr. in the city's east end opened in 2011 as part of a multi-million dollar deal with Ontario's Feed-In Tariff program for renewable energy sources.
At its peak, about 500 people were employed at the facility, but its closure has been rumoured for the last two years.
A number of employees have been laid off in that time, and production had been scaled back.
On Friday, only two vehicles were parked at the sprawling facility on Anchor Drive and former employees suggested the company has closed the plant.
A spokesperson for CS Wind would not comment on reports on the closure of the plant.
Officials from the mayor's office and the Economic Development Corporation said they had not been notified about CS Wind's closure.
AM800 contacted Ironworkers Local 721 union, which has represented employees at CS Wind since 2016, but no one replied to requests for comment.
The Korea-based company also has facilities in the United Kingdom, China, Vietnam, Turkey and Malaysia.